# Accident 19910526017319A: Bell 47D1, Sun, LA, May 26, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 26, 1991, 17:00 local time
- Place: Sun, LA
- Damage: Substantial damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: General operating rules (Part 91)
- Location: 30.6601° N, 89.8993° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=30.6601&lon=-89.8993&mi=10
- Aircraft: N339MC, a cancelled registration (https://openairdocs.org/deregistered/N339MC-1996-07-25) (OpenAirDocs)
- Registry model: Bell 47D1 (registry code 1180802, https://openairdocs.org/model/bell-47d1) (OpenAirDocs)
- Reported make and model: BELL 47D1
- Reported engine: FRNKLN 6V335A
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 3,230 total, 397 in this make and model, 112 in the last 90 days
- NTSB investigation: [NTSB FTW91DRD05](https://openairdocs.org/ntsb/FTW91DRD05) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910526017319A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

REPORTED POWER FAILURE ON CLIMBOUT. AUTOROTATED TO HARD LANDING. NO ENGINE PROBLEMS FOUND.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW91DRD05](https://openairdocs.org/ntsb/FTW91DRD05), May 26, 1991: Bell 47-D1 (N339MC), Sun, LA, substantial damage. Probable cause: THE TOTAL LOSS OF POWER FOR UNDETERMINED REASONS AND THE FAILURE OF THE PILOT TO MAINTAIN ROTOR RPM. A FACTOR WAS THE LACK OF SUITABLE TERRAIN.

## Other reports on N339MC (1)

Matched to the same aircraft by N-number and date.

- [Incident 19940817021639I](https://openairdocs.org/incident/19940817021639I), Aug 17, 1994: Bell 47D1 (N339MC), Palm Harbor, FL, Minor damage. Rough engine. Precautionary landed. Struck power line on approach.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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